It is a situation where investors limit the stock of extra credit to people who give money to other people in exchange to pay interest.
In an environment of imperfect markets the price can be like an instrument for alterations that prevent right resource distribution.
The credit rationing is the consequence of a difference in the information . The credit rationing is a result from the market but the food rationing is a result from the government´s control.
One type of credit raioning is the redlining this means that the group of people who provide money with the similar characteristics can´t give a credit unless the offer be bigger.